UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21fAVQWOkigFUCaayNCquNr11dYNKYDuCMP3Ragjbi4=' 
WHERE 
  key_id = '8406a0af614966ec64012acfb73d8bbab38d21adda80531da33f8f2a6634db3e' 
  AND (
    token = '21fAVQWOkigFUCaayNCquNr11dYNKYDuCMP3Ragjbi4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )